<template>
    <svg :class="svgClass" aria-hidden="true">
      <use :xlink:href="iconClassName" :fill="color" />
    </svg>
  </template>
  <script setup lang="ts">
  import { computed } from 'vue';
  const props = defineProps({
    iconName: {
      type: String,
      required: true
    },
    className: {
      type: String,
      default: ''
    },
    color: {
      type: String,
      default: '#409eff'
    }
  });
  // 图标在 iconfont 中的名字
  const iconClassName = computed(()=>{
    return `#${props.iconName}`;
  })
  // 给图标添加上类名
  const svgClass = computed(() => {
    if (props.className) {
      return `svg-icon ${props.className}`;
    }
    return 'svg-icon';
  });
  </script>
  <style scoped>
  .svg-icon {
    width: 1em;
    height: 1em;
    position: relative;
    fill: none;
    vertical-align: -2px;
  }
  </style>